The question is too difficult and we found . A．it not easy to answer it B．it was
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The question is too difficult and we found________.
A．it not easy to answer it
B．it was not easy for us to answer it
C．it’s not easy to answer
D．it not easy to answer
试题答案
D
本句中it为代词作形式宾语，真正的宾语是动词不定式to answer，根据时态一致原则，we found后面若跟从句时，应使用过去时，故C项错误，而A、B两项需把第二个“it”去掉。